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DHS Geometry Unit 10 Quiz 2 - Two Way Tables

Last updated over 4 years ago
15 questions
Note from the author:
Geometry/Probability: Two-way tables
The two-way table shows the age and sex of a sample of 50 students in a school
1

How many students are aged 13 years or less?

1

What percentage of the students in the table are 16?

1

A student from the table is selected at random. What is the probability that the student will be a 14 year old female? Give your answer as a fraction in simplest form.

80 high school students each study one Science. The table shows some information about these students.
6

Fill in the blank cells to complete the table

1

One of the students is picked at random. What is the probability that this student studies Physics?

1

What percentage of girls studies Physics? Give your answer to the nearest hundredth.

1

One student is chosen at random. What is the probability that the student is a male taking biology?

A principal of a school with 484 students collected information about how many of the students wear glasses.
7

Fill in the blank cells to complete the table

1

How many boys sometimes wear glasses?

1

How many students never wear glasses?

1

If a student is chosen at random, what is the probability that the student is a boy that always wears glasses?

1

What percent of students are girls? (Round to the nearest tenth)

The two-way table shows the number of students that do or do not do chores at home and whether they receive an allowance or not.
1

P(C)

1

P(C'|A)

1

P(A'|C)